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Table Partition


Table Partition

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k.thanigaivel
k.thanigaivel
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Hi All,
I have two filegroup named with primary and secondary filegroup. The secondary filegroup contains two files called Bet_2009.ndf and Bet_2010.ndf.

My question is how to move data into different files based on the year?
Brandie Tarvin
Brandie Tarvin
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You can't, really. Where the data resides is a function of the engine and the default filegroup.

The best you can do for control purposes is to either create a CLUSTERED INDEX for a table on that filegroup or create a PARTITION SCHEME on the filegroup. The file distribution itself is out of your control, though. EDIT: What I mean by that last statement is I don't believe you can dictate more granular than filegroup.

Brandie Tarvin, MCITP Database AdministratorLiveJournal Blog: http://brandietarvin.livejournal.com/On LinkedIn!, Google+, and Twitter.Freelance Writer: ShadowrunLatchkeys: Nevermore, Latchkeys: The Bootleg War, and Latchkeys: Roscoes in the Night are now available on Nook and Kindle.
GilaMonster
GilaMonster
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If there are two files in a filegroup, SQL spreads the data evenly across the two files, you cannot control which file in a filegroup gets what data.


Gail Shaw
Microsoft Certified Master: SQL Server, MVP, M.Sc (Comp Sci)
SQL In The Wild: Discussions on DB performance with occasional diversions into recoverability

We walk in the dark places no others will enter
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k.thanigaivel
k.thanigaivel
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Thanks All,

Yes, I tested that it distributed data equally for all the files. My doubt is, whether it is possible to do file level partition.
Brandie Tarvin
Brandie Tarvin
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It is not possible to do a file level partition at this time.

Brandie Tarvin, MCITP Database AdministratorLiveJournal Blog: http://brandietarvin.livejournal.com/On LinkedIn!, Google+, and Twitter.Freelance Writer: ShadowrunLatchkeys: Nevermore, Latchkeys: The Bootleg War, and Latchkeys: Roscoes in the Night are now available on Nook and Kindle.
GilaMonster
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As I said, you cannot control what data goes onto what file when there are multiple files in a filegroup.


Gail Shaw
Microsoft Certified Master: SQL Server, MVP, M.Sc (Comp Sci)
SQL In The Wild: Discussions on DB performance with occasional diversions into recoverability

We walk in the dark places no others will enter
We stand on the bridge and no one may pass


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